/*
* Copyright 2019 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __AMDGPU_MES_H__
#define __AMDGPU_MES_H__
#include "amdgpu_irq.h"
#include "kgd_kfd_interface.h"
#include "amdgpu_gfx.h"
#include <linux/sched/mm.h>
#define AMDGPU_MES_MAX_COMPUTE_PIPES 8
#define AMDGPU_MES_MAX_GFX_PIPES 2
#define AMDGPU_MES_MAX_SDMA_PIPES 2
enum amdgpu_mes_priority_level {
AMDGPU_MES_PRIORITY_LEVEL_LOW = 0,
AMDGPU_MES_PRIORITY_LEVEL_NORMAL = 1,
AMDGPU_MES_PRIORITY_LEVEL_MEDIUM = 2,
AMDGPU_MES_PRIORITY_LEVEL_HIGH = 3,
AMDGPU_MES_PRIORITY_LEVEL_REALTIME = 4,
AMDGPU_MES_PRIORITY_NUM_LEVELS
};
#define AMDGPU_MES_PROC_CTX_SIZE 0x1000 /* one page area */
#define AMDGPU_MES_GANG_CTX_SIZE 0x1000 /* one page area */
struct amdgpu_mes_funcs;
enum admgpu_mes_pipe {
AMDGPU_MES_SCHED_PIPE = 0,
AMDGPU_MES_KIQ_PIPE,
AMDGPU_MAX_MES_PIPES = 2,
};
struct amdgpu_mes {
struct amdgpu_device *adev;
struct mutex mutex;
struct idr pasid_idr;
struct idr gang_id_idr;
struct idr queue_id_idr;
struct ida doorbell_ida;
spinlock_t queue_id_lock;
uint32_t total_max_queue;
uint32_t doorbell_id_offset;
uint32_t max_doorbell_slices;
uint64_t default_process_quantum;
uint64_t default_gang_quantum;
struct amdgpu_ring ring;
const struct firmware *fw[AMDGPU_MAX_MES_PIPES];
/* mes ucode */
struct amdgpu_bo *ucode_fw_obj[AMDGPU_MAX_MES_PIPES];
uint64_t ucode_fw_gpu_addr[AMDGPU_MAX_MES_PIPES];
uint32_t *ucode_fw_ptr[AMDGPU_MAX_MES_PIPES];
uint32_t ucode_fw_version[AMDGPU_MAX_MES_PIPES];
uint64_t uc_start_addr[AMDGPU_MAX_MES_PIPES];
/* mes ucode data */
struct amdgpu_bo *data_fw_obj[AMDGPU_MAX_MES_PIPES];
uint64_t data_fw_gpu_addr[AMDGPU_MAX_MES_PIPES];
uint32_t *data_fw_ptr[AMDGPU_MAX_MES_PIPES];
uint32_t data_fw_version[AMDGPU_MAX_MES_PIPES];
uint64_t data_start_addr[AMDGPU_MAX_MES_PIPES];
/* eop gpu obj */
struct amdgpu_bo *eop_gpu_obj[AMDGPU_MAX_MES_PIPES];
uint64_t eop_gpu_addr[AMDGPU_MAX_MES_PIPES];
void *mqd_backup[AMDGPU_MAX_MES_PIPES];
struct amdgpu_irq_src irq[AMDGPU_MAX_MES_PIPES];
uint32_t vmid_mask_gfxhub;
uint32_t vmid_mask_mmhub;
uint32_t compute_hqd_mask[AMDGPU_MES_MAX_COMPUTE_PIPES];
uint32_t gfx_hqd_mask[AMDGPU_MES_MAX_GFX_PIPES];
uint32_t sdma_hqd_mask[AMDGPU_MES_MAX_SDMA_PIPES];
uint32_t agreegated_doorbells[AMDGPU_MES_PRIORITY_NUM_LEVELS];
uint32_t sch_ctx_offs;
uint64_t sch_ctx_gpu_addr;
uint64_t *sch_ctx_ptr;
uint32_t query_status_fence_offs;
uint64_t query_status_fence_gpu_addr;
uint64_t *query_status_fence_ptr;
/* initialize kiq pipe */
int (*kiq_hw_init)(struct amdgpu_device *adev);
/* ip specific functions */
const struct amdgpu_mes_funcs *funcs;
};
struct amdgpu_mes_process {
int pasid;
struct amdgpu_vm *vm;
uint64_t pd_gpu_addr;
struct amdgpu_bo *proc_ctx_bo;
uint64_t proc_ctx_gpu_addr;
void *proc_ctx_cpu_ptr;
uint64_t process_quantum;
struct list_head gang_list;
uint32_t doorbell_index;
unsigned long *doorbell_bitmap;
struct mutex doorbell_lock;
};
struct amdgpu_mes_gang {
int gang_id;
int priority;
int inprocess_gang_priority;
int global_priority_level;
struct list_head list;
struct amdgpu_mes_process *process;
struct amdgpu_bo *gang_ctx_bo;
uint64_t gang_ctx_gpu_addr;
void *gang_ctx_cpu_ptr;
uint64_t gang_quantum;
struct list_head queue_list;
};
struct amdgpu_mes_queue {
struct list_head list;
struct amdgpu_mes_gang *gang;
int queue_id;
uint64_t doorbell_off;
struct amdgpu_bo *mqd_obj;
void *mqd_cpu_ptr;
uint64_t mqd_gpu_addr;
uint64_t wptr_gpu_addr;
int queue_type;
int paging;
struct amdgpu_ring *ring;
};
struct amdgpu_mes_queue_properties {
int queue_type;
uint64_t hqd_base_gpu_addr;
uint64_t rptr_gpu_addr;
uint64_t wptr_gpu_addr;
uint32_t queue_size;
uint64_t eop_gpu_addr;
uint32_t hqd_pipe_priority;
uint32_t hqd_queue_priority;
bool paging;
struct amdgpu_ring *ring;
/* out */
uint64_t doorbell_off;
};
struct amdgpu_mes_gang_properties {
uint32_t priority;
uint32_t gang_quantum;
uint32_t inprocess_gang_priority;
uint32_t priority_level;
int global_priority_level;
};
struct mes_add_queue_input {
uint32_t process_id;
uint64_t page_table_base_addr;
uint64_t process_va_start;
uint64_t process_va_end;
uint64_t process_quantum;
uint64_t process_context_addr;
uint64_t gang_quantum;
uint64_t gang_context_addr;
uint32_t inprocess_gang_priority;
uint32_t gang_global_priority_level;
uint32_t doorbell_offset;
uint64_t mqd_addr;
uint64_t wptr_addr;
uint32_t queue_type;
uint32_t paging;
};
struct mes_remove_queue_input {
uint32_t doorbell_offset;
uint64_t gang_context_addr;
};
struct mes_suspend_gang_input {
bool suspend_all_gangs;
uint64_t gang_context_addr;
uint64_t suspend_fence_addr;
uint32_t suspend_fence_value;
};
struct mes_resume_gang_input {
bool resume_all_gangs;
uint64_t gang_context_addr;
};
struct amdgpu_mes_funcs {
int (*add_hw_queue)(struct amdgpu_mes *mes,
struct mes_add_queue_input *input);
int (*remove_hw_queue)(struct amdgpu_mes *mes,
struct mes_remove_queue_input *input);
int (*suspend_gang)(struct amdgpu_mes *mes,
struct mes_suspend_gang_input *input);
int (*resume_gang)(struct amdgpu_mes *mes,
struct mes_resume_gang_input *input);
};
#define amdgpu_mes_kiq_hw_init(adev) (adev)->mes.kiq_hw_init((adev))
int amdgpu_mes_ctx_get_offs(struct amdgpu_ring *ring, unsigned int id_offs);
int amdgpu_mes_init(struct amdgpu_device *adev);
void amdgpu_mes_fini(struct amdgpu_device *adev);
int amdgpu_mes_create_process(struct amdgpu_device *adev, int pasid,
struct amdgpu_vm *vm);
void amdgpu_mes_destroy_process(struct amdgpu_device *adev, int pasid);
int amdgpu_mes_add_gang(struct amdgpu_device *adev, int pasid,
struct amdgpu_mes_gang_properties *gprops,
int *gang_id);
int amdgpu_mes_remove_gang(struct amdgpu_device *adev, int gang_id);
int amdgpu_mes_suspend(struct amdgpu_device *adev);
int amdgpu_mes_resume(struct amdgpu_device *adev);
int amdgpu_mes_add_hw_queue(struct amdgpu_device *adev, int gang_id,
struct amdgpu_mes_queue_properties *qprops,
int *queue_id);
int amdgpu_mes_remove_hw_queue(struct amdgpu_device *adev, int queue_id);
int amdgpu_mes_add_ring(struct amdgpu_device *adev, int gang_id,
int queue_type, int idx,
struct amdgpu_mes_ctx_data *ctx_data,
struct amdgpu_ring **out);
void amdgpu_mes_remove_ring(struct amdgpu_device *adev,
struct amdgpu_ring *ring);
int amdgpu_mes_ctx_alloc_meta_data(struct amdgpu_device *adev,
struct amdgpu_mes_ctx_data *ctx_data);
void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data);
#endif /* __AMDGPU_MES_H__ */
